GB3ZZ - STG's 24cm Amateur TV Repeater
If you aren't sure what a TV repeater is, click here to find out.
GB3ZZ is located in Filton, one of the northern suburbs of Bristol .
It's main receiver is tuned to 1249 Mhz and it accepts TV transmissions using the FM broadcast mode. Intercarrier sound is used at 6MHz, again using FM.
The transmitter runs at 1316MHz FM and when not relaying live pictures from it's receiver, it sends testcards to identify itself and to provide video patterns that can be used to align receiving equipment.
If you have Google Earth on your computer, clicking here will show where GB3ZZ is . You can just make out the shadow of the antennas on the rooftop.
Equipment rack at GB3ZZ